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ATK High Performance Engines

CHEVROLET ATK High Performance Engines Engine Assemblies

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ATK High Performance GM 350 Vortec 290 HP Stage 3 Long Block Crate Engines HP99C

ATK High Performance GM 350 Vortec 290 HP Stage 3 Long Block Crate Engines HP99C

ATK High Performance GM 350 Vortec 290 HP Stage 3 Long Block Crate Engines HP99C

Crate Engine, GM 350 Small Block Stage 3, 290 HP, Long Block, External/Internal Engine Balance, Vortec Heads, Carburetor, Each

Part Number: HPE-HP99C

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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This product may not be eligible for select promotional offers

ATK High Performance GM 350 Vortec 350 HP Stage 2 Long Block Crate Engines HP32M

ATK High Performance GM 350 Vortec 350 HP Stage 2 Long Block Crate Engines HP32M

ATK High Performance GM 350 Vortec 350 HP Stage 2 Long Block Crate Engines HP32M

Engine Assembly, Stage 2 Crate Engine, Truck, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each

Part Number: HPE-HP32M

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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ATK High Performance GM 350 390 HP Stage 1 Long Block Crate Engines HP89

ATK High Performance GM 350 390 HP Stage 1 Long Block Crate Engines HP89

ATK High Performance GM 350 390 HP Stage 1 Long Block Crate Engines HP89

Crate Engine, Assembly, Stage 1, Long Block, 1-Piece RMS, 4-Bolt Mains, Cast Iron w/Aluminum Heads, Hydraulic Roller, 10:1 CR, Chevy, Gen I 350, Each

Part Number: HPE-HP89

4.4 out of 5 stars ( 15 )

Estimated Ship Date: Today

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ATK High Performance GM 350 345 HP Stage 1 Long Block Crate Engines HP98

ATK High Performance GM 350 345 HP Stage 1 Long Block Crate Engines HP98

ATK High Performance GM 350 345 HP Stage 1 Long Block Crate Engines HP98

Crate Engine, Base Long Block, Cast Iron Heads, Hydraulic Roller Camshaft, Chevy, 350, Each

Part Number: HPE-HP98

3.67 out of 5 stars ( 12 )

Estimated Ship Date: Today

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ATK High Performance GM 350 330 HP Stage 1 Long Block Crate Engines HP291P

ATK High Performance GM 350 330 HP Stage 1 Long Block Crate Engines HP291P

ATK High Performance GM 350 330 HP Stage 1 Long Block Crate Engines HP291P

Crate Engine, GM 350, Stage 1, Long Block, Internal/External Engine Balance, Cast Iron Heads, Chevy, 350, Each

Part Number: HPE-HP291P

3.69 out of 5 stars ( 16 )

Estimated Ship Date: Today

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ATK High Performance GM 350 345 HP Stage 3 Long Block Crate Engines HP98C

ATK High Performance GM 350 345 HP Stage 3 Long Block Crate Engines HP98C

ATK High Performance GM 350 345 HP Stage 3 Long Block Crate Engines HP98C

Crate Engine, Performance, Complete Long Block, Cast Iron Heads, Hydraulic Roller Camshaft, 4-Bolt Main, Internal/External Balance, Chevy, 350, Each

Part Number: HPE-HP98C

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ATK High Performance GM 350 Vortec 315 HP Stage 1 Long Block Crate Engines HP74

ATK High Performance GM 350 Vortec 315 HP Stage 1 Long Block Crate Engines HP74

ATK High Performance GM 350 Vortec 315 HP Stage 1 Long Block Crate Engines HP74

Crate Engine, Vortec, GM 350, 315 HP, Long Block, Internal Front/External Rear Engine Balance, Cast Iron Heads, Chevy, 350, Each

Part Number: HPE-HP74

3.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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ATK High Performance GM 350 Vortec 350 HP Stage 3 Long Block Crate Engines HP32C

ATK High Performance GM 350 Vortec 350 HP Stage 3 Long Block Crate Engines HP32C

ATK High Performance GM 350 Vortec 350 HP Stage 3 Long Block Crate Engines HP32C

Engine Assembly, Stage 3 Crate Engine, Truck, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each

Part Number: HPE-HP32C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ATK High Performance GM 350 TBI 290 HP Stage 1 Long Block Crate Engines HP31

ATK High Performance GM 350 TBI 290 HP Stage 1 Long Block Crate Engines HP31

ATK High Performance GM 350 TBI 290 HP Stage 1 Long Block Crate Engines HP31

Engine Assembly, Stage 1 Crate Engine, Truck, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each

Part Number: HPE-HP31

3.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93

ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93

ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93

Crate Engine, Chevy LQ4 6.0L, Long Block, Internal Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP93

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Today

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ATK High Performance GM 383 Stroker 415 HP Stage 1 Long Block Crate Engines HP94

ATK High Performance GM 383 Stroker 415 HP Stage 1 Long Block Crate Engines HP94

ATK High Performance GM 383 Stroker 415 HP Stage 1 Long Block Crate Engines HP94

Crate Engine, GM 383 Stroker Stage 1, Long Block, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP94

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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ATK High Performance GM 350 Vortec 350 HP Stage 3 Long Block Crate Engines with EFI HP32C-EFI

ATK High Performance GM 350 Vortec 350 HP Stage 3 Long Block Crate Engines with EFI HP32C-EFI

ATK High Performance GM 350 Vortec 350 HP Stage 3 Long Block Crate Engines with EFI HP32C-EFI

Crate Engine, GM 350 Small Block Stage 3, 350 HP, Long Block, External/Internal Engine Balance, Vortec Heads, EFI, Each

Part Number: HPE-HP32C-EFI

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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ATK High Performance Chevy LS 408 Short Blocks SP38-B

ATK High Performance Chevy LS 408 Short Blocks SP38-B

ATK High Performance Chevy LS 408 Short Blocks SP38-B

Chevy LS 408 Boosted/NOS Short Block 24 Tooth +18cc Dish

Part Number: HPE-SP38-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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ATK High Performance GM 350 Vortec 350 HP Stage 1 Long Block Crate Engines HP32

ATK High Performance GM 350 Vortec 350 HP Stage 1 Long Block Crate Engines HP32

ATK High Performance GM 350 Vortec 350 HP Stage 1 Long Block Crate Engines HP32

Engine Assembly, Stage 1 Crate Engine, Truck, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each

Part Number: HPE-HP32

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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ATK High Performance Chevy LQ9 6.0L Short Blocks SP19-F

ATK High Performance Chevy LQ9 6.0L Short Blocks SP19-F

ATK High Performance Chevy LQ9 6.0L Short Blocks SP19-F

Engine Assembly, Short Block, LQ9 6.0L, Hypereutectic Flat Top Pistons, Chevy, Small Block LS, Each

Part Number: HPE-SP19-F

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

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ATK High Performance GM 383 Stroker 415 HP Stage 2 Long Block Crate Engines HP94M

ATK High Performance GM 383 Stroker 415 HP Stage 2 Long Block Crate Engines HP94M

ATK High Performance GM 383 Stroker 415 HP Stage 2 Long Block Crate Engines HP94M

Crate Engine, GM 383 Stroker Stage 2, Long Block, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP94M

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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ATK High Performance GM 350 345 HP Stage 2 Long Block Crate Engines HP98M

ATK High Performance GM 350 345 HP Stage 2 Long Block Crate Engines HP98M

ATK High Performance GM 350 345 HP Stage 2 Long Block Crate Engines HP98M

Crate Engine, Mid Dress Long Block, Cast Iron Heads, Hydraulic Roller Camshaft, Chevy, 350, Each

Part Number: HPE-HP98M

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance GM 383 Stage 1 Marine Long Block Crate Engines HP90

ATK High Performance GM 383 Stage 1 Marine Long Block Crate Engines HP90

ATK High Performance GM 383 Stage 1 Marine Long Block Crate Engines HP90

Engine Assembly, Stage 1 Crate Engine, Marine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each

Part Number: HPE-HP90

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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ATK High Performance Chevy 377 Stroker Short Blocks SP15NB

ATK High Performance Chevy 377 Stroker Short Blocks SP15NB

ATK High Performance Chevy 377 Stroker Short Blocks SP15NB

CHEVY 377 STROKER SHORT BLOCK

Part Number: HPE-SP15NB

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy LM7 5.3L GEN IV Short Blocks SP115

ATK High Performance Chevy LM7 5.3L GEN IV Short Blocks SP115

ATK High Performance Chevy LM7 5.3L GEN IV Short Blocks SP115

Engine Assembly, Short Block, 58 Tooth Reluctor Wheel, Hypereutectic Pistons, LM7, 330 CID, Chevy, LS, Each

Part Number: HPE-SP115

Not Yet Reviewed

Estimated Ship Date: Today

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This product may not be eligible for select promotional offers

ATK High Performance Chevy LM7 383 Short Blocks SP78

ATK High Performance Chevy LM7 383 Short Blocks SP78

ATK High Performance Chevy LM7 383 Short Blocks SP78

Short Block Engine, LM7 383, Chevy LS, Forged Crank, Forged Piston, Dish, +15 Piston Head Volume, I-Beam Rods, 6-Bolt Main, Internal Balance, Each

Part Number: HPE-SP78

Not Yet Reviewed

Estimated Ship Date: Today

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This product may not be eligible for select promotional offers

ATK High Performance Chevy 383 Stroker Race Series Short Blocks SP35

ATK High Performance Chevy 383 Stroker Race Series Short Blocks SP35

ATK High Performance Chevy 383 Stroker Race Series Short Blocks SP35

Short Block, Crate Engine, Cast, 1-Pc. Main Seal, Forged Internals, 4-Bolt Main, Internal/External Balance, 9.025 in. DH, Chevy, Small Block, 383,Each

Part Number: HPE-SP35

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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This product may not be eligible for select promotional offers

ATK High Performance Chevy LM7 5.3L Short Blocks SP109

ATK High Performance Chevy LM7 5.3L Short Blocks SP109

ATK High Performance Chevy LM7 5.3L Short Blocks SP109

Engine Assembly, Short Block, 24 Tooth Reluctor Wheel, Hypereutectic Pistons, LM7, 330 CID, Chevy, LS, Each

Part Number: HPE-SP109

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance GM 350 330 HP Stage 3 Long Block Crate Engines HP291PC

ATK High Performance GM 350 330 HP Stage 3 Long Block Crate Engines HP291PC

ATK High Performance GM 350 330 HP Stage 3 Long Block Crate Engines HP291PC

Crate Engine, GM 350, Stage 3, Long Block, Internal/External Engine Balance, Cast Iron Heads, Chevy, 350, Each

Part Number: HPE-HP291PC

3.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

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This product may not be eligible for select promotional offers

ATK High Performance Chevy LM7 5.3L 385 HP Long BLock Crate Engines HP97

ATK High Performance Chevy LM7 5.3L 385 HP Long BLock Crate Engines HP97

ATK High Performance Chevy LM7 5.3L 385 HP Long BLock Crate Engines HP97

Crate Engine, GM 5.3L, LM7, 385 HP, Long Block, Internal Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP97

4.93 out of 5 stars ( 15 )

Estimated Ship Date: Today

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This product may not be eligible for select promotional offers

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